Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

Cell Bio
1. a. Describe in detail how a direct DNA repair mechanism works.
b. Can you think of a way in which you could inhibit this repair mechanism in bacteria that have been exposed to UV radiation?

2. For each of the following, give a brief description:
a. DNA exonuclease
b. AP site
c. DNA ligase
d. post replication repair

3. a. What is cancer? Include in your answer a description of oncogenes.
b. describe how a mutated DNA repair gene could lead to a cancer.
c. If a mutation occurs in a gene in a skin cell, describe two possible outcomes for the future of that cell.

4. a. What is a retrovirus?
b. How can a retrovirus cause the transformation of a normal cell into a cancer cell?
c. What is a transforming retrovirus and how does it cause cancer?

5. a. What is a transposon? In you answer include two distinguishing features of a transposon.
b. What is meant by conservative and replicate transfer?
c. Briefly describe the mechanism of action of the Ds and Ac transposons as discovered in maize by McClintock.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M928291

Have any Question? 


Related Questions in Biology

What is one example of an organism that belongs to

What is one example of an organism that belongs to platyhelminthes?

A man and a woman both have polydactyly ie six fingers on

A man and a woman both have polydactyly (i.e., six fingers on each hand), a trait which is determined in this example by a single gene. They have four children, none of whom have polydactyly. What is the probability thei ...

Blood typingintroductionblood typing is critical in

Blood Typing Introduction Blood typing is critical in medicine. If a person receives the wrong type of blood, they can die. The purpose of this virtual lab is to allow you to simulate determining the blood type of three ...

How does sexual reproduction benefit the offspring in

How does sexual reproduction benefit the offspring in terms of genetic variation? Provide an example

A foreign america executive finds that a foreign subsidiary

A foreign America executive finds that a foreign subsidiary in a poor nation has hired a 12-year-old girl to work on a factory floor, In violation of the company's prohibition on child labor. He tells the local manager t ...

Which common characteristics is not shared by birds and

Which common characteristics is not shared by birds. and mammals? Breathing using lings Viviparity warm blooded nature.

Discussion topicnatural selectiona novel fungicide is

Discussion Topic Natural Selection A novel fungicide is introduced and widely applied to cereal crops. After five years, resistant genotypes of the fungal pathogen are detected at a frequency of about 1%; resistance is w ...

Hematology case studiesthe following case studies are not

Hematology Case studies The following case studies are not actual patients. They combine elements from different cases to emphasize important aspects Case 1 HISTORY: Patient Presentation A four-year-old African American ...

The branch of agriculture which deals with the feeding

The branch of agriculture which deals with the feeding, shelter, health and breeding of the domestic animals is called?

Bioethics for public health final examinationplease answer

Bioethics for Public Health Final Examination Please answer each of the following in a brief paragraph. l. Please explain why we should have cause for concern regarding the Bioethical issues facing us in today's modern c ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen